I had a look on the site and it seems you can download free Japanese phrase. The Word of day looks interesting when the BBC channel was doing their Japanese season, they included a word of the day. Here is one of them: へそで茶を沸かすHeso de cha o wakasumeans I'm boiling tea through my navel refers to a joke which is funny you can't stop laughing.Chinese has similar phrases as my mum says them, she also explains the meaning which helps.